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Transition Metal (53Cr, 59Co, 91Zr, and 95Mo) and 14N NMR Spectroscopy of Coordination Compounds Containing Nitrogen Donor Ligands in Low-Viscosity Fluids

✍ Scribed by Sander Gaemers; Jeroen Groenevelt; Cornelis J. Elsevier

Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 297 KB
Volume: 2001
Category: Article
ISSN: 1434-1948
DOI: 10.1002/1099-0682(200103)2001:3<829::aid-ejic829>3.0.co;2-f

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✦ Synopsis

Appreciable decreases of the line widths of NMR resonances of the quadrupolar nuclei 14 N, 53 Cr, 59 Co, 91 Zr, and 95 Mo have been obtained in supercritical solvents and in low-viscosity liquefied gases. Several α-diimines R 1 N=C(R 2 )-C(R 2 )= NR 1 and their coordination compounds have been studied. Regarding the solubility of two α-diimines and some Cr, Zr, and Mo complexes it appears that the addition of small amounts of a modifier (acetone, CH 2 Cl 2 , THF) results in en- [a]